.border-radius(@radius: 5px) {
    -moz-border-radius: @radius;

-ms-border-radius: @radius;

-webkit-border-radius: @radius;

border-radius: @radius;

}
@color: navy;
//@color: #333;
h1 {
    color: @color;

}
h2 {
    color: lighten(@color,20%);

}
h3 {
    color: lighten(@color,30%);

}
h4 {
    color: lighten(@color,40%);

}
#mypara {
    .border-radius;
    border-color: hsl(hue(@color),45%,60%);

border-width: 2px;
    border-style: solid;
    padding: 10px;
}

